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Event details
Voyage: | IN2020_V01 [details] |
When: | 2020-01-21 01:40:12 UTC |
Log: | Geology_Rocks_in2020_v01 |
Equipment: | Not specified |
Position: | Latitude: -52.8463 Longitude: 81.2081 Position from underway logging |
Sample number: | IN2020_V01_D01_011 |
Dredge: | D01 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes in IN2020_V01_D01_011 |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | grey-light |
Composition: | mafic |
Alteration: | Mn crust | altered |
Phenocryst abundance (%): | 0 |
Phenocryst size range (mm): | n/a |
Groundmass: | microcrystaline |
Mn crust thickness (mm): | 4 mm |
Vesicle abundance: | <10% |
Vesicle Filling (%): | 100 |
Vesicle fill: | ? |
Sample bagged: | yes |
Bucket number: | 1 of 8 |
Rock name: | Vesicular basalt |
Original Sample Dimensions: | 17x10x7 cm |
Comments: | No foliation, no compositional layering, minor fracturing. |